Incandescent-electric-lamp holder.



- F. WALKER; INOANDESGENT ELECTRIC LAMP HOLDER.

APPLICATION FILED J'AN.13, 1908.

Patented Jan. 19. 1909.

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F. WALKERQ INOANDESGIQNT ELECTRIC LAMP-HOLDER.

' V APPLICATION FILED JAN. 13, 1908. 91 O, 1 58; Patented Jan. 19. 1909.

. 2 SHEEN-SHEET 2- UNITED STATES PATENT OFFICE.

FRANK WALKER, OF LOS ANGELES, CALIFORNIA.

IN CAN DESCENT-ELECTBIC-LAMP HOLDER.

To all whom. it may concern:

Be it known that I, FRANK lVALKER, a citizen of the United States, residing at Los 'Angeles, in the county of Los Angeles and State of California, have invented a new and useful Incandescent-Electric-Lamp Holder, of which the following is a specification.

.- An object of the invention is to provide a cheap holder that can be applied to a desk, table, shelf, or drawing-board in any part of a room by having the electric-lighting cords of considerable len th.

A further object of the invention is to provide said holder with a friction joint that will retain the lamp-carrying arm or the holder in any position in which it is left.

Further objects and advanta 'es may appear from the subjoined detailed description. a

The invention may be carried out in various ways, and I do not limit myself to any specified form of its application.

The accompanying drawings illustrate the invention.

Figure 1 is an elevation of an electriclamp holder constructed in accordance with this invention and in use on a shelf for hold- 1 ing an incandescent lamp which is shown in t view. Dotted lines indicate different po- J sitions in which the lamp-holding arm may be adjusted. Fig. 2 is a plan of the device shown in Fig. 1, omittine' the lamp. The parts are in relative position indicated at the lower position of Fig. i. Fig. 3 is a! view of the holder with parts constructed to swing the lamp-holding instead of up and down as is'an enlarged detail of the friction joint. Fig. 5 is an elevation of the holder to be 1 used in connection with the weighted base 1 of a lamp-stand, the lamp-holding arm having the same construction as that of Fig. 15 and the supporting arm being formed of tubular fittings. Fig. 6 is an elevation of the holder formed mainly of wire and supported by a lamp-stand base. Fig. 7 is an enlarged detail partly in section of the friction joint shown in Fig. 5. j The holder in its'preferred form is com- 5 posed of two members,-- -namely the support-clamping arm 1 and the lamp-holdingj arm 2. These-members are each provided 1 with a clamp; the member 1 being provided with a Uclamp 3 opening away from a fric- 5 tion joint 4 to fit upon any appropriate snpt port as a shelf 5; and the other member 2, 1

arm horizontally 111 Fig. 1. Fig. 4 l

Specification of Letters Patent.

Application filed January 13, 1908. Serial No. 410,678.

Patented Jan. 19, 1909.

being provided with a closed clamp 6 to ,encircle the neckof an incandescent lamp 7. Said closed clamp 6 is preferably composed of two resilient loops 8 and 9 which are fastened together by being twisted upon each otherto form a stem at 10 between said loops 8 and 9 and the friction joint 4. The free ends of said loops 8 and 9 are preferably crossed upon each other, as shown, and terminate in handles 1.1 and 12 by which the loops may be sprung apart when said handles are pressed toward each other, thus to admit or release the lamp 7.

Both of the members 1 and 2 are preferably formed of resilient material as two spring wires. the wire forming" the member 1 being bentv at both its ends in a doub clamp loop. thus being provided with clamp jaws at each end composed of three limbs as 13, 14. and 15; and the intermediate portion of said wire for the member l is bent spirally to form a tubular eye it and between said eye and said loops the limbs of the wire are twisted together to form a stem 17; further portions of said wire being;- bent at right angles to the axis of said stem to form brain-hes 1S connecting with the inner limbs 15 of said clamp loops.

The. holder-arm or member 2 is bent intermediately to form a resilient loop 19 comprising" three limbs 20. 2t. and 22, that are encircled by the cylindrical eye 16 and are compressed thereby so that they exert a .eoutinnal expansive force against the inside of said eye lti. thus producing" a friction joint whereby when the lamp is in place between the. loops 8 and f) it. may be adjusted to various positions and the arm will be held in that position by the friction of the joint.

. In Fig. ti the holder is shown in the form of a stand. The limbs of the wire of mem ber 2 after forming" the eye 16. are twisted to form a standard 23. Two more wires 24 are used in connection with the limbs of member 2 to give stiffness and rigidity to 1' said standard which is fastened to a base 25.

eye 16 to.ho1d the limbs 20, 21, 22 of member 2 in compression, thus producing a friction joint.

I claim 1. An incandescent electric lamp-holder comprising a member having an eye and a second member formed of wire, said wire being bent upon itself both ways from the center to form a resilient loop, said loop being mounted in said eye, and one member being adapted to engage a support and the other member being adapted to receive and hold a lamp.

2. An incandescent electric lamp-holder comprising one member adapted to engage a support and having an eye; a second member formed of Wire bent upon itself both ways from the center to form a resilient loop, said loop being yieldingly mounted in said eye, and the ends of said member being twisted together to form an arm extending from the eye and to form an elastic clamp to encircle the neck of an incandescent lamp,

3. An incandescent electric lamp-holder comprising a member adapted to engage a support and'having an eye; a second member formed of wire bent u on itself at the center to form an elastic oop frictionally mounted in said eye, the ends of the wire being brought together to form a spring clamp to engage the neck of an incandescent lamp, and said ends being crossed beyond the clamp to form handles for opening the clamp to receive or release the lamp.

4. An incandescent electric lamp-holder comprising a member adapted to engage a support and having an eye; a second member formed of wire bent upon itself at the center to form an elastic loop frictionally mounted in said eye, the two parts of the IQ amuse wire being twisted together to form an arm the end o the arm to encircle the neck of a lamp, and the extreme ends of the wire being crossed beyond the clamp to form handles for openin the clamp.

5. An moan escent electric lamp-holder comprising a member formed of wlre, said wire being coiled at its center to form an eye and the two parts of the wire being twiste together to form a stem, and the twoends of the wire being bent to form a U-shaped clam to engage a support; a second member ormed of wire bent u on itself at the center 'to form a resilient oop frictionally mounted in said eye, and the ends of the wire being bent to form a yielding clamp to receive the lam socket.

6. An incan escent electric lamp-holder comprising a member formed of wire, said wire being coiled at its center to form an eye, and the two parts of the wire being twisted together to form a stem, and the two endsof the wire being bent to form a U-shaped clamp to engage a support; a second member formed of wire bent upon itself at the center to form a resilient loop frictionally mounted in said eye, the ends ofthe wire being bent to form a yielding clamp to receive the lamp-socket, and the extreme ends of the wire being crossed and bent to form handles for opening the clamp.

In testimony whereof, I have hereunto set my hand at Los Angeles, Cal.,'this 6th day of January, 1908.

. FRANK WALKER.

In presence of J AMES R. TowNsnNn.

M. BEULAH TOWNSEND. 

